极速3d投注技巧

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                Welcome! You are here: Home > Details

                Dear Client,

                 Here below are some J&K new products recommended:

                  ■  Novel Chiral Phosphoramidite Ligands

                  Recent years, enantioselective synthesis becomes more popular in organic synthesis fields, and several mature reactions have been developed, such as chiral catalytic hydrogenation and oxidation. But there are not very efficient catalysts used in C-C bond forming reactions of chiral catalysis.

                  Due to the Chiral Phosphoramidite Ligand are with simple synthesis, stable structures and easy to modify and control, they are widely used in asymmetric hydrogenation, asymmetric hydroformylation, asymmetric hydrogen phosphine acylation, asymmetric bisamination, asymmetric [3+2]-cycloaddition, asymmetric 1,4-addition, etc. And such type of ligands are also able to coordinate with the transition metal Iridium, that the complexes catalysts can used in asymmetric allylic alkylation with excellent performance.

                e.g

                                                       J. Am. Chem. Soc. 2012, 134, 4812

                                                       Chem. Sci. 2014, 5, 4216.

                                                         J. Am. Chem. Soc. 2012, 134, 4812.

                                                         Org. Lett. 2013, 15, 5909.

                  ■  Products:

                Structure Cat. No. Description Package Price
                  1809346 (R)-THQphos 1-[(11bR)-Dinaphtho[2,1-d:1',2'-f]                  [1,3,2]dioxaphosphepin-4-yl] -1,2,3,4-tetrahydroquinoline, 98% [CAS: 1360145-09-0]   10 mg
                50 mg
                  250 mg
                $20.00 $66.00 $216.00
                  1809347 (S)-THQphos 1-[(11bS)-Dinaphtho[2,1-d:1',2'-f]      [1,3,2]dioxaphosphepin-4-yl] -1,2,3,4-tetrahydroquinoline, 98%   10 mg
                50 mg
                  250 mg
                $20.00 $66.00 $216.00
                  1809348 (R)-BHPphos (11bR)-N-Benzhydryl-N-phenyldinaphtho[2,1-d:1', 2'-f][1,3,2]dioxaphosphepin -4-amine, 98%                           [CAS: 1360145-10-3]   100 mg
                50 mg
                  250 mg
                $20.00 $66.00
                  1809349 (S)-BHPphos (11bS)-N-Benzhydryl-N-phenyldinaphtho[2,1-d:1', 2'-f][1,3,2]dioxaphosphepin -4-amine, 98%                           [CAS: 1435947-11-7]         100 mg
                    50 mg 250 mg
                $20.00 $66.00 $216.00

                 

                Best Regards

                  ■ Sales Team

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                                                                         J&K 2015-2016 Catalog - Now Avialable!

                    As one of the world’s leading chemical manufacturers, J&K Scientific provides thousands of ultrafine chemicals for research in organic chemistry, analytical chemistry, life science and materials science, as well as a wide range of specialty chemical products for both science and industry.
                 
                 
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